390225280

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{4801}}^1$

素因数の和:4947

約数の個数: 64

約数和(自身を含む): 940423680

約数和(自身を除く): 550198400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 2032, 2540, 4064, 4801, 5080, 8128, 9602, 10160, 16256, 19204, 20320, 24005, 38408, 40640, 48010, 76816, 81280, 96020, 153632, 192040, 307264, 384080, 609727, 614528, 768160, 1219454, 1536320, 2438908, 3048635, 3072640, 4877816, 6097270, 9755632, 12194540, 19511264, 24389080, 39022528, 48778160, 78045056, 97556320, 195112640, 390225280]

約数ペア:

[(1, 390225280), (2, 195112640), (4, 97556320), (5, 78045056), (8, 48778160), (10, 39022528), (16, 24389080), (20, 19511264), (32, 12194540), (40, 9755632), (64, 6097270), (80, 4877816), (127, 3072640), (128, 3048635), (160, 2438908), (254, 1536320), (320, 1219454), (508, 768160), (635, 614528), (640, 609727), (1016, 384080), (1270, 307264), (2032, 192040), (2540, 153632), (4064, 96020), (4801, 81280), (5080, 76816), (8128, 48010), (9602, 40640), (10160, 38408), (16256, 24005), (19204, 20320)]